20/50Pcs Lab Rubber Stoppers, 14# 19# 24# Reverse Thread Bottle Sealing Plugs for Reagent & Culture Bottles(No.19 50pcs)

20Pcs/50Pcs Lab White Rubber Stopper Reverse Thread Cap 14# 19# 24# Rubber Sealing Plug for Laboratory BottlesSpecification:Item: Sealing plugsMaterial: RubberAppliance: Can be used for laboratory standard bottles, laboratory reagent bottle etc.==========Model Number : 14# 19# 24#Origin : Mainland ChinaClassification : FlaskItem : Sealing plugs

• 1. Secure Rubber Seal: High-quality rubber construction provides a tight, airtight fit to prevent leaks, evaporation, of lab contents.
• 2. Multi-Size Available: Comes in 14#, 19#, and 24# sizes to fit standard laboratory bottles, reagent bottles, and culture containers.
• 3. Durable & Reusable: Flexible rubber design is wear-resistant, long-lasting, and easy to clean, suitable for repeated use in labs.
• 4. Versatile Lab Application: Ideal for sealing glass bottles, reagent jars, culture dishes, and other laboratory containers during experiments or storage.
• 5. Bulk Pack Options: Available in 20-piece or 50-piece packs, perfect for bulk supply in labs, schools, and research facilities.